TP.SK706S.PC822 refers to a common smart TV mainboard (chassis) used by various budget television brands such as
(e.g., HV550QUB-F1L), using the wrong version can cause display issues like inverted colors or a "mirror" image. 📥 Firmware Links tpsk706spc822 firmware link
Hold the power button on the TV (not the remote) and plug the power cord back in. Release the button once the update screen appears. tpsk706spc822 firmware link
https://downloads.[manufacturer].com/firmware/tpsk706/spc822/tpsk706spc822_firmware_v2.1.4.bin tpsk706spc822 firmware link
Because this is a generic board, there is no single "official" download site. Instead, technicians use specialized firmware repositories: KenotronTV